Sorry for the noise. It turns out I had local mods which were avoiding some of the deprecation warnings, and the Ubuntu package update reversed those.
** Changed in: squirrelmail (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1774226 Title: Latest Ubuntu Squirrelmail package throws deprecation warnings. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/squirrelmail/+bug/1774226/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs